Show PHP SAPI in WDT
merged branch lmcd/php-sapi (PR #6636)

This PR was merged into the master branch.

Commits
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16b3426 Show PHP SAPI in WDT

Discussion
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[WDT] Show PHP SAPI in WDT

PHP running under Apache as a module:
![sapi-apache](https://f.cloud.github.com/assets/363540/53093/7709dc8a-5a48-11e2-8c09-031e0645e3ea.png)

PHP running with the in-built CLI web server (via `server:run`)
![sapi-cli](https://f.cloud.github.com/assets/363540/53094/96df9a0e-5a48-11e2-96e9-7bc2f452083d.png)